I need Elo help !!!

I need Elo help !!!

I need Elo help !!!

I just want to know why are there Elo banned cards in EloSurvivor and deathmatch?? I understand the ban in regular Elo but why in the survivor and deathmatch modes .. To me it's just survivor and deathmatch with 25 star deck the Elo score does not count in those rooms